Last name Керис (Karis 
, Cerys 
, Керис 
) , throughout the world, is quite a common cognomen. The surname Керис is habitual in Cyprus, where it is quite a common surname, Kenya, where it is quite a rare surname, and Estonia. Not in comparison with a country's population, the name is most common in Kenya, Indonesia, and the United States. Also, Керис is the forename as well as the last name.